Whale Compac 50 Manual Bilge Pump BP0350 35LPM

Whale (Henderson) Compac 50 Manual Bilge Pump BP0350 35 LPM

The Compac 50 bilge pump is designed specifically for low-profile installations where space is limited. This robust and reliable manual bilge pump is a favourite for boat owners needing a compact, high-performance pump for tight spaces. Offering an impressive 35 litres per minute flow rate, it’s the perfect solution for bilge water removal and fluid transfer. Quick and easy to fit and offers a wide variety of possible installation configurations. Suitable for saltwater, bilge water and even diesel.

Features:

• Compact Design: Ideal for confined spaces where other pumps won’t fit.
• Versatile Installation: The multi-positional ports and handle allow for mounting on bulkheads, thru-bulkheads, or decks.
• Proven Reliability: Built with tough, corrosion-proof materials for a long service life in harsh marine environments.
• Easy Maintenance: Features a simple design for quick and easy inspection and cleaning.

• Mounting hole positions are square – giving a choice of pump stroke directions relative to the position of the deckplate.
• Inlet and outlet mount bases are set at 45º relative to the pump body and have a square base that can be rotated, giving four possible hose directions on each side.
• The pump body can be rotated to accommodate different hose direction requirements.
• Supplied complete with deck plate.
• Constructed from stainless steel, glass-reinforced polypropylene, acetal copolymer, nylon, PBDT, nitrile and EPDM rubber.
• Glass-filled polypropylene body, stainless steel handle & fastenings, and nitrile rubber diaphragm & valves make for an extra lightweight 1 kilogram pump.
• There are four possible hose directions on both the inlet and outlet and the body can be rotated to allow an infinite choice of flow directions relative to the handle position.

Specifications:

• Henderson Whale Compac 50 Bilge Pump – Manual Capacity – 35 litres per minute / 9.2 US gallons per minute (70 Strokes per minute)
• Max Lift – 3 metres
• Max Discharge Head – 4 metres
• Hose Size – 25 millimetres
• Mount Screws – 6 countersunk 45
• 45 Strokes per Minute – 32 litres per minute.
• Warranty 5 years
• Suitable as a primary bilge pump on boats equal to or greater than 12 metres (40 feet) in accordance with ISO 15083

Spare Parts:

• 131230 Whale Service Kit Compac 50 AK8035
• 131231 Deck plate kit
• 131232 Spare removable handle
• 131236 Ring clamping kit
• 131237 Rubber grip
• 131238 Diaphragm
• 131239 Rocker arm
• 131258 Valve inlet
• 131259 Valve outlet

The Compac 50 bilge pump is also extensively used in portable toilets.

Awards and accreditations

ISO 15083-1 – Suitable as a primary bilge pump on boats up to 12 metres (40 feet) in accordance with ISO 15083-1.

Whale is a leading manufacturer of electric submersible and manual bilge pumps that are manufactured to the highest standard. Whale manufacture bilge pumps to suit vessels of all sizes from small runabouts to large yachts and cruisers. They are available in manual, automatic, or non-automatic versions. Boat Hut has access to the entire Whale range and if it does not appear on our website then please feel free to give us a call to provide you a competitive quote. Alternatively, we can assist in finding the bilge pump to suit your needs.

Bilge Pump Shop

Frequently Asked Questions

Q: Is this the same as the original Henderson Compac 50 pump?

A: Yes, absolutely. The manufacturer Whale acquired the Henderson brand, and the Whale Compac 50 is the direct, modern equivalent of the Henderson Compac 50. It maintains the same high-quality design and performance.

Q: What size boat is this pump suitable for?

A: The Compac 50 is suitable as a primary manual bilge pump for boats equal to or greater than 12 metres (40 feet) in accordance with ISO 15083. It also serves as an excellent backup pump on larger vessels.

Q: Can I use this pump for fluids other than water, like diesel or oil?

A: This pump is suitable for saltwater, bilge water, and even diesel. It is not recommended for oil transfer.

Q: What is included in the box? Does it come with a handle?

A: The pump comes fully assembled with the removable handle included. Mounting hardware (screws, bolts) and deck plate kit are also included. Hoses are sold separately to match your specific installation needs.

Q: What size hose and clamps do I need to buy?

A: You will need a hose with a 25 millimetre (or 1 inch) internal diameter. We recommend using two stainless steel hose clamps for each connection to ensure a secure, leak-proof seal. The hose clamps should have a minimum specification of 32 millimetres.

Q: What are the mounting options for this pump?

A: It’s very versatile. The pump body and ports can be oriented in multiple positions, allowing for mounting on a flat surface like a floor or shelf (on-deck), through a wall (bulkhead), or behind a wall (thru-bulkhead).

Q: How do I service the pump or clear a blockage?

A: Servicing is simple. The pump features a clam shell design with a clamping ring. Remove the clamping ring to access the internal components of the pump eg diaphragm, inlet and outlet valves.

Q: Are service kits or spare parts available for this pump?

A: Yes, we stock the official Whale Service Kit Compac 50 AK8035 – 131230 which includes the circlips, screws, inlet valve, outlet valve, gaiter (deck plate), diaphragm – nitrile – needed for a full service to keep your pump performing like new.

Q: Does the pump need to be primed before use?

A: No, the Whale Compac 50 is a self-priming pump. As long as the internal valves are wet, it will draw water up from the bilge effectively, even from a dry start.

Q: Are these pumps used in portable toilets?

A: Yes. These pumps are used extensively in the Formit / Merlin brand of portable toilets.